Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

This project determines how much the rebound rates of tennis balls change after ten games.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This science fair project idea quantifies growth of seedlings at various pH levels.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Help your child learn about animal classification with this fun and delicious activity.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.